ellsworthrj ellsworthrj

17-10-2018
Mathematics

contestada

Which is the inverse of the function f(x) = x^2 − 4?

Respuesta :

OmegaAzzy OmegaAzzy

17-10-2018

f(x) = x^2 - 4

Replace f(x) with y

y = x^2 - 4

Switch x and y.

x = y^2 - 4

Solve for y.

Add 4 to both sides.

x + 4 = y^2

√ both sides.

√(x + 4) = y

Switch sides, and replace y with f^-1(x)

f^-1(x) = √(x + 4)

Answer Link

Otras preguntas

What is greater 3/4 or 11/16? How can you be sure ?

If you were one of the new immigrants who arrived in America in the 1880s, it''s most likely that you would have been

How does pavement or smooth rock runoff affect waterways?

Parallels are numbered from 0° to 90° east and from 0° to 90° west.

Is 1.76 a number that's not real, a real irrational number, a real rational number integer, or a real rational number?

What do scientist use to keep track of their studies

Prior to the Diaspora, __________ had already been conquered by the Assyrians and Babylonians. A. Mecca B. Rome C. Israel D. Constantinople

50% of the population in Alaska lives within a 50-mile radius of Anchorage. If the total area of Alaska is 586,412 square miles, about what percent of the total

How do you write 3 thousand 16 tens and 7 ones in standard form

How does pavement or smooth rock runoff affect waterways?